Home / 57,740.10-86,612.58-18,296.34

Finding the Fourth Proportional to 57,740.10, 86,612.58 and 18,296.34

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Solution

The fourth proportional to 57,740.10, 86,612.58 and 18,296.34 is: 27,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.10 : 86,612.58 = 18,296.34 : x
  2. Step 2: Convert to fraction form
    57,740.10/86,612.58 = 18,296.34/x
  3. Step 3: Cross multiply
    57,740.10x = 86,612.58 × 18,296.34
  4. Step 4: Simplify right side
    57,740.10x = 1,584,693,211.96
  5. Step 5: Solve for x
    x = 1,584,693,211.96/57,740.10
  6. Step 6: Final answer
    x = 27,445.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.